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Seneca Bridge
HSRNational HSR. Local HSR.

Rough Distance: 0 Miles (0 Kilometers)

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IL-170 (29th Road) Over Illinois River in Seneca: La Salle County, Illinois, United States
Metal 14 Panel Rivet-Connected Pennsylvania Through Truss, Fixed
Length: 1,510 ft. Main Span: 364 ft. Roadway: 23 ft. Main Spans: 4
Built 1932 By: Wisconsin Bridge and Iron Company of Milwaukee, Wisconsin

Special Bridge Conditions Legend: R - Former location of relocated bridge. ! - At risk for demolition or destruction. X - Confirmed demolished or collapsed. S  - Dismantled and/or in storage. L -  Severe loss of historic integrity due to alteration.

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